Late-flowering perennials to pick
1 Rosa rugosa bears glorious red hips in early autumn.
2 Aconitum napellus, or monkshood, has spires of flowers from mid- to late summer. 3 Selinum wallichianum is a clump-forming plant with large umbels of white flowers. 4 Agastache foeniculum ‘Alabaster’ is attractive to insects, producing white flowering spires in September.
5 Helenium ‘Moerheim Beauty’ is in flower mid-summer to early autumn.
6 Echinacea seedheads prolong interest. 7 Helianthus ‘Lemon Queen’ is a tall, September-flowering plant.
8 Salvia x sylvestris ‘Mainacht’ sends up blue flower spikes from mid-summer.